CompositeConfiguration delivers value from wrong child
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Key: CONFIGURATION-471
URL: https://issues.apache.org/jira/browse/CONFIGURATION-471
Project: Commons Configuration
Issue Type: Bug
Components: File reloading
Affects Versions: 1.7
Reporter: Joerg Wesely
I create a composite configuration with two PropertyConfigurations: a user
configuration and a default configuration, with the userConfiguration as
inMemoryConfiguration.
If both configurations contain the same key, the value from
defaultConfiguration is returned although the user configuration was added
first. If no inMemoryConfiguration is specified, it's working ok:
Configuration defaultConf = new PropertiesConfiguration();
defaultConf.addProperty("prop1", "fromDefaultConfig");
Configuration userConf = new PropertiesConfiguration();
userConf.addProperty("prop1", "fromUserConfig");
CompositeConfiguration noMemoryConfig = new CompositeConfiguration();
noMemoryConfig.addConfiguration(userConf);
noMemoryConfig.addConfiguration(defaultConf);
System.out.println("noMemoryConfig: " + noMemoryConfig.getString("prop1")); //
Shows "fromUserConfig"
CompositeConfiguration withMemoryConfig = new CompositeConfiguration(userConf);
withMemoryConfig.addConfiguration(userConf);
withMemoryConfig.addConfiguration(defaultConf);
System.out.println("withMemoryConfig: " + withMemoryConfig.getString("prop1"));
// Shows "fromDefaultConfig"
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